Refer to the exhibit. You have a non-Cisco switch that is not communicating properly while connected to the distribution-layer Cisco switching fabric.Which two best-practice actions can you take to overcome this problem? （）(Choose two.)

Which keyword is used with the debug ipv6 [keyword] command to troubleshoot neighbor discovery problems?（）

What are four advantages to using tunnel brokers in an IPv6 transition environment?（）

Which Cisco IOS command is used to troubleshoot a problem in which a BGP session stays in the active state?（）

What is the maximum number of Cisco Catalyst 3750 Series Switches that can be united into a single manageable unit using the Cisco StackWise technology?（）

You are an experienced network administrator in an international corporation. One of your clients asks you to configure a network for a financial trading center which requires multiple high-value transactions.And the transactions are very important to the client. In such a situation, which two of the following are basic and most important requirements concerning the configuration? （）(Choose two.)

Which configuration will enable OSPF for IPv6 on FastEthernet 0/0/0?（）

Refer to the exhibit. Which two of these statements are correct? (Choose two.)（）

You are trying to initiate an SSH connection to a remote router and are getting rejected with an error code of 0. Which of these might be the cause of the error?（）

As an experienced network engineer, you are asked to troubleshoot a CIS network outage. During the troubleshooting process, you notice that one of your colleagues connects additional devices to the network with the use of his own switch. With the purpose of improving speed, the switch is attached to both network ports in an office, which leads to bridge loop.Enabling which of the following feature will be able to prevent this problem from happening again?（）